SEARCH · Search NASA
Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.
Quote a phrase for an exact phrase match. Source license links do not imply unrestricted reuse.
Comparison of predicted nozzle coolant side heat transfer and fluid flow with experimental values from Phoebus 2A nuclear tests
Chebyshev series solution of nonlinear ordinary differential equations - initial value problems
Transformer of closely spaced pulsed waveforms having nonzero average value
Mixed boundary value problem of elastostatics for isotropic elastic cylinder containing strip crack opened by internal pressure, using auxiliary functions
Growth curve for analysis of stellar spectra, determining relative f values and abundance
Tabulation of high accuracy gamma function values for some rational arguments, noting applications to Gaussian quadrature formulas, fractional Bessel functions and Airy functions
Particular solutions in nonlinear two point boundary value problems, showing convergence for uncontrolled and controlled systems
Scheme for choosing approximating system of difference equations for degenerate linear and nonlinear elliptic boundary value problems
Necessary and sufficient conditions for solution existence to second order boundary value problems, considering second order differential equation involving function of three variables
High order plasma wave echoes formulation and relation to initial perturbations based on Landau solution of initial value problem for Vlasov equation
Robust detection of binary signal in additive noise, using extreme value theory /EVT/ to estimate probability density function and system error and threshold
Numerical solution of boundary value problems, discussing spectral domain and scattering matrix formalisms
Absolute gf values for Fe I and Fe II lines between 3190 and 3315 A measured by spectral absorption through shock heated gas containing Fe
State space procedure for mixed boundary value problems applied to structural analysis, fluid mechanics and eigenvalues for deformable bodies
Algorithm for minimizing expected value of quadratic performance index in closed loop optimal control of linear time varying systems.
Absolute value type of early-late gate bit synchronizer phase noise performance determined by Fokker-Planck method, comparing results with different circuits performance
Observatory calculations of hourly values of equatorial Dst for 1968
Evaluation of hollowed /drilled/ balls in ball bearings at DN values to 2 million